Letter : Cambridge, to [Thomas?] F. Haven, Jr.
MLA
Lowell, James Russell, 1819-1891. Letter : Cambridge, to [Thomas?] F. Haven, Jr.. Box 22, folder GROUP 441, F-21. 1857 Aug 25. https://collections.library.yale.edu/catalog/10508506.
APA, 6th edition
Lowell, James Russell, 1819-1891. (["Box 22, folder GROUP 441, F-21"])(1857 Aug 25)[Letter : Cambridge, to [Thomas?] F. Haven, Jr.]. https://collections.library.yale.edu/catalog/10508506.